Splunk Enterprise 6.6.3 and Splunk Light 6.6.3 address multiple vulnerabilities

Description

Splunk Enterprise 6.2.3 and Splunk Light 6.2.3 address five vulnerabilities.

• Multiple vulnerabilities in OpenSSL before 1.0.1m (SPL-98531)
• Disable SSLv3 in KV Store replication (SPL-96280)
• Secure flag inconsistently set for session cookies with appServerPorts!=0 (SPL-95798)
• Cross-site scripting in Search (SPL-95594)
• Cross-site scripting in management and configuration (SPL-93516)

At the time of this announcement, Splunk is not aware of any cases where these vulnerabilities have been actively exploited. Previous Product Security Announcements can be found on our Splunk Product Security Portal. Use SPL numbers when referencing issues in communication with Splunk. If there is no CVE Identifier listed with a vulnerability, it will be added once it is assigned by a CVE Numbering Authority. To standardize the calculation of severity scores for each vulnerability, when appropriate, Splunk uses Common Vulnerability Scoring System version 2.

Affected Products and Components

• Multiple vulnerabilities in OpenSSL prior to 1.0.1m (SPL-98351)
  • Affected Versions: Splunk Enterprise 6.2.x before 6.2.3 and Splunk Light 6.2.x before 6.2.3.
  • Affected Components: All Splunk Enterprise components.>
• Disable SSLv3 in KV Store Replication (SPL-96280)
  • Affected Versions: These vulnerabilities do not affect Splunk Enterprise 5.0.x, 6.0.x, 6.1.x. or Splunk Light.
  • Affected Components: Search Head in Search Head Cluster Configurations.
  • Affected Components: Heavy Forwarders, Universal Forwarders, Indexers, Deployment Servers.
• Secure flag inconsistently set for session cookies when appServerPorts!=0 (SPL-95798)
  • Affected Versions: These vulnerabilities affect all versions of Splunk Enterprise 6.2.x before 6.2.3 and Splunk Light before 6.2.3.
  • Unaffected Versions: These vulnerabilities do not affect Splunk Enterprise 5.0.x, 6.0.x, 6.1.x.
  • Affected Components: Search Heads, Heavy Forwarders with Splunk Web enabled.
  • Unaffected Components: Indexers, Deployment Server, Universal Forwarders.
• Cross-site scripting in Search (SPL-95594)
  • Affected Versions: These vulnerabilities affect all versions of Splunk Enterprise 6.2.x before 6.2.3 and Splunk Light before 6.2.3.
  • Unaffected Versions: These vulnerabilities do not affect Splunk Enterprise 5.0.x, 6.0.x, 6.1.x.
  • Affected Components: Search Heads, Heavy Forwarders with Splunk Web enabled.
  • Unaffected Components: Indexers, Deployment Server, Universal Forwarders.
• Cross-site scripting in management and configuration (SPL-93516)>
  • Affected Versions: These vulnerabilities affect all versions of Splunk Enterprise 6.2.x before 6.2.3, 6.1.x before 6.1.7, 6.0.x before 6.0.9, 5.0.x before 5.0.12, and Splunk Light before 6.2.3.
  • Unaffected Versions: These vulnerabilities do not affect Splunk Enterprise 5.0.10, 6.0.x, 6.1.x.
  • Affected Components: Search Heads, Heavy Forwarders with Splunk Web enabled.
  • Unaffected Components: Indexers, Deployment Server, Universal Forwarders.

Mitigation and Upgrades

To mitigate these issues, Splunk recommends upgrading to the latest release and applying as many of the Hardening Standards from the Securing Splunk documentation as are relevant to your environment. Splunk Enterprise and Splunk Light releases are cumulative, meaning that future releases will contain fixes to these vulnerabilities, new features and other bug fixes.

Vulnerability Descriptions and Ratings